Woman, 85, endured "agonising" wait as BBC analysis shows delays now at record levels.
Lecanemab is the first drug to remove damage, but there are questions around its impact, side effects and use.
Members of two unions have backed walkouts across England and Wales as the NHS pay dispute deepens.
Other groups have reported higher protection, but the results are still seen as a triumph.
A question everyone's asking: what's my Covid risk? Here's how to find out Symptomes Covid 2022.
Borrowing - which hit a record £22.3bn in October - cannot go on indefinitely, chancellor says.